Sofa chair



FIG. 1 is a front facing perspective view of a sofa chair;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view, the right-side view being a mirror image thereof; and,

FIG. 5 is a top view thereof. 

CLAIM The ornamental design for a sofa chair, as shown and described. 